182 citations · 233 across the 5 of their papers we have counts for
5 papers
Universality of Primordial Anisotropies in Gravitational Wave Background
Boyuan Jiang, Ryo Saito, Ying-li Zhang
We propose a model-independent formalism for describing anisotropies in the stochastic gravitational wave background (SGWB) originating from primordial perturbations. Despite their…
Nearly Monochromatic Primordial Black Holes as total Dark Matter from Bubble Collapse
Haonan Wang, Ying-li Zhang, Teruaki Suyama
We propose a two-field model where the inflaton is non-minimally coupled to the instanton . By choosing an appropriate coupling function, we realize the scenario where the d…
Black hole perturbations in vector-tensor theories: The odd-mode analysis
Ryotaro Kase, Masato Minamitsuji, Shinji Tsujikawa +1
In generalized Proca theories with vector-field derivative couplings, a bunch of hairy black hole solutions have been derived on a static and spherically symmetric background. In t…
Cosmology in generalized Proca theories
Antonio De Felice, Lavinia Heisenberg, Ryotaro Kase +3
We consider a massive vector field with derivative interactions that propagates only the 3 desired polarizations (besides two tensor polarizations from gravity) with second-order e…
A Self-gravitating Dirac-Born-Infeld Global Monopole
Dao-Jun Liu, Ying-Li Zhang, Xin-Zhou Li
We generalize the field theory of global monopole to Dirac-Born-Infeld(DBI) field and investigate the gravitational property of a DBI global monopole in four-dimensional sphericall…